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 * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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 */

/*
 * @test
 * @bug 8341273
 * @summary Verifies JVMTI properly hides frames which are in VTMS transition
 * @run main/othervm/native -agentlib:CheckHiddenFrames CheckHiddenFrames
 */

public class CheckHiddenFrames {
    static native boolean checkHidden(Thread t);

    static void sleep(long millis) {
        try {
            Thread.sleep(millis);
        } catch (InterruptedException e) {
        }
    }

    public static void main(String[] args) throws Exception {
        Thread thread = Thread.startVirtualThread(CheckHiddenFrames::test);
        System.out.println("Started virtual thread: " + thread);

        if (!checkHidden(thread)) {
            thread.interrupt();
            throw new RuntimeException("CheckHiddenFrames failed!");
        }
        thread.interrupt();
        thread.join();
    }

    static void test() {
        sleep(1000000);
    }
}
